Showing posts from 2012

Pressure

Since the operation of a refrigerator depends mainly on pressure differences in the system, a basic understan…

Gases

A gas is any physical substance that must be contained in a sealed container or it will soon dissipate. These…

How a Mechanical Refrigerator works

In order to understand the operation of the mechanical refrigerator, it is significant to understand the phys…

Scope of Mechanical Refrigeration

Mechanical refrigeration is used for domestic refrigeration, marketable refrigeration air Conditioning (co…

How Cold Preserves Food

As the molecules move slower there is an important effect on the bacteria that are present in most foods. C…

Temperature

The temperature may be defined as the heat strength or heat level of a matter. Temperature alone does not g…

Cold

Cold is a related term used to denote a low temperature? Cold is not something which is produced, but quite…

Development of Refrigeration

Refrigeration, the business of preserving food by cold, first became of marketable significance during the 18…

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